[Bug 105196] Display hangs after resuming from hibernation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105196

--- Comment #12 from Imre Deak <imre.deak at intel.com> ---
(In reply to amn-bas from comment #11)
> I updated the mesa driver to the latest version on Archlinux repos 17.3.6
> and now booting with LTS kernel (4.14) resumes without any errors. With 4.15
> I'm still getting a black screen and a bunch of errors. I noticed that with
> 4.15 the screen backlight flashes after resuming something like if I set the
> backlight to 100% then to 30% and it does that for 2-4 times.

Could you provide a full dmesg for the 4.15 boot (booting with drm.debug=0xe
and making sure the dmesg log buffer is big enough to contain the PM:
hibernate/resume sequence too)?

It'd be great if you could also try
the drm-tip branch from git://anongit.freedesktop.org/drm-tip  .

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20180302/2c855d3b/attachment.html>